LMX2371TMX National Semiconductor, LMX2371TMX Datasheet - Page 2

• Manufacturer Part Number: LMX2371TMX
• Description: IC FREQ SYNTH DUAL 20-TSSOP
• Manufacturer: National Semiconductor
• Series: PLLatinum™r
• Type: PLL Frequency Synthesizerr

Specifications of LMX2371TMX

• Pll: Yes with Bypass
• Input: CMOS, TTL
• Output: CMOS
• Number Of Circuits: 1
• Ratio - Input:output: 3:1
• Differential - Input:output: Yes/No
• Frequency - Max: 2GHz, 1.2GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Frequency-max: 2GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LMX2371TMX

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24-Pin
Connection Diagrams
Pin Descriptions
CSP
24
2
3
4
5
6
7
Pin No.
Order Number LMX2370TM, LMX2370TMX,
TSSOP
20-Pin
See NS Package Number MTC20
1
2
3
4
5
6
7
LMX2372TM or LMX2372TMX
LMX2371TM, LMX2371TMX,
TSSOP 20-Pin Package
Name
V
CP
GND
f
GND
Vp1
Pin
f
IN
Top View
CC
IN
1b
o
1
1
1
I/O
—
—
—
—
O
I
I
DS101026-2
Power supply voltage input for RF analog and
RF digital circuits. Input may range from 2.7V to
5.5V. V
should be placed as close as possible to this pin
and be connected directly to the ground plane.
Power supply for Main charge pump. Must be
V
Internal Main charge pump output. For
connection to a loop filter for driving the input of
an external VCO.
Ground for Main digital circuitry.
Main prescaler input. Small signal input from the
VCO.
Main prescaler complementary input. For single
ended operation, a bypass capacitor should be
placed as close as possible to this pin and be
connected directly to the ground plane.
Ground for Main analog circuitry.
CC
.
CC
1 must equal V
Description
2
CC
2. Bypass capacitors
See NS Package Number SLB24A
LMX2371SLBX or LMX2372SLBX
Order Number LMX2370SLBX,
CSP 24-Pin Package
Top View
DS101026-3